Engines and Components› Engines, Blocks and Components

BLUEPRINT ENGINES

LONGBLOCK

$13,347.23

SKU: B05J PS502CT

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

Blueprint 502 CID GM Big Block Crate Engine. Build your dream machine with this BluePrint Engines crate engine, dyno-tested to produce 621 HP and 560 lb-ft of torque. This performance-built engine features a robust cast iron block, forged crankshaft, forged pistons, and aluminum heads. This long block configuration includes valve covers, an oil pan, and a timing cover, providing a solid foundation for your project. Ideal for privateer builders, grassroots garages, and independent shops working on non-pollution controlled vehicles.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBLUEPRINT ENGINES
Part NumberB05J PS502CT

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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